VAR-201108-0027
Vulnerability from variot - Updated: 2023-12-18 13:04Integer overflow in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted track run atoms in a QuickTime movie file. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the way Quicktime handles the 'trun' atom. Quicktime uses user supplied data in the 'sampleCount' field to calculate a buffer size. An integer wrap can occur that results in the allocation of a memory buffer that is smaller than intended. When Quicktime writes to this buffer it causes a memory corruption that can lead to remote code execution under the context of the current user. Apple Mac OS X is prone to an integer-overflow vulnerability that occurs in QuickTime. Failed exploit attempts will likely result in denial-of-service conditions. The following versions are affected: Mac OS X 10.6 through v10.6.7 Mac OS X Server 10.6 through v10.6.7. Apple QuickTime is a multimedia playback software developed by Apple (Apple). The software is capable of handling multiple sources such as digital video, media segments, and more. ZDI-11-254: Apple QuickTime 'trun' atom sampleCount Integer Overflow Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-11-254
August 16, 2011
-- CVE ID: CVE-2011-0256
-- CVSS: 7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)
-- Affected Vendors: Apple
-- Affected Products: Apple Quicktime
-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 11582.
-- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/kb/HT4826
-- Disclosure Timeline: 2011-06-03 - Vulnerability reported to vendor 2011-08-16 - Coordinated public release of advisory
-- Credit: This vulnerability was discovered by: * Anonymous
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"data": "Integer overflow in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted track run atoms in a QuickTime movie file. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the way Quicktime handles the \u0027trun\u0027 atom. Quicktime uses user supplied data in the \u0027sampleCount\u0027 field to calculate a buffer size. An integer wrap can occur that results in the allocation of a memory buffer that is smaller than intended. When Quicktime writes to this buffer it causes a memory corruption that can lead to remote code execution under the context of the current user. Apple Mac OS X is prone to an integer-overflow vulnerability that occurs in QuickTime. Failed exploit attempts will likely result in denial-of-service conditions. \nThe following versions are affected:\nMac OS X 10.6 through v10.6.7\nMac OS X Server 10.6 through v10.6.7. Apple QuickTime is a multimedia playback software developed by Apple (Apple). The software is capable of handling multiple sources such as digital video, media segments, and more. ZDI-11-254: Apple QuickTime \u0027trun\u0027 atom sampleCount Integer Overflow Remote Code Execution Vulnerability\n\nhttp://www.zerodayinitiative.com/advisories/ZDI-11-254\n\nAugust 16, 2011\n\n-- CVE ID:\nCVE-2011-0256\n\n-- CVSS:\n7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)\n\n-- Affected Vendors:\nApple\n\n-- Affected Products:\nApple Quicktime\n\n-- TippingPoint(TM) IPS Customer Protection:\nTippingPoint IPS customers have been protected against this\nvulnerability by Digital Vaccine protection filter ID 11582. \n\n-- Vendor Response:\nApple has issued an update to correct this vulnerability. More\ndetails can be found at:\nhttp://support.apple.com/kb/HT4826\n\n-- Disclosure Timeline:\n2011-06-03 - Vulnerability reported to vendor\n2011-08-16 - Coordinated public release of advisory\n\n-- Credit:\nThis vulnerability was discovered by:\n * Anonymous\n\n-- About the Zero Day Initiative (ZDI):\nEstablished by TippingPoint, The Zero Day Initiative (ZDI) represents \na best-of-breed model for rewarding security researchers for responsibly\ndisclosing discovered vulnerabilities. \n\nResearchers interested in getting paid for their security research\nthrough the ZDI can find more information and sign-up at:\n\n http://www.zerodayinitiative.com\n\nThe ZDI is unique in how the acquired vulnerability information is\nused. TippingPoint does not re-sell the vulnerability details or any\nexploit code. Instead, upon notifying the affected product vendor,\nTippingPoint provides its customers with zero day protection through\nits intrusion prevention technology. Explicit details regarding the\nspecifics of the vulnerability are not exposed to any parties until\nan official vendor patch is publicly available. Furthermore, with the\naltruistic aim of helping to secure a broader user base, TippingPoint\nprovides this vulnerability information confidentially to security\nvendors (including competitors) who have a vulnerability protection or\nmitigation product. \n\nOur vulnerability disclosure policy is available online at:\n http://www.zerodayinitiative.com/advisories/disclosure_policy/\n\nFollow the ZDI on Twitter:\n http://twitter.com/thezdi\n\n_______________________________________________\nFull-Disclosure - We believe in it. \nCharter: http://lists.grok.org.uk/full-disclosure-charter.html\nHosted and sponsored by Secunia - http://secunia.com/\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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